PICOLINE

Pic″o‐line (?), n. [[L. pix, picis, pitch + oleum oil + -ine.]] (Chem.) Any one of three isometric bases (C6H7N) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; — called also methyl pyridine.